Obama's legacy might be proving just how necessary and effective partisanship is, especially in this polarized era. After all, many of his signature achievements derive not from successful bipartisanship but from having large and loyal Democratic majorities in both chambers in 2009-10.

In taking on health care reform Obama made a very clear statement that community is an American value. It is how he chooses to defend and expand Obamacare that will dictate whether he is remembered for his commitment to community or to the special interests of Washington.